OpenCloudOS-Kernel/arch/arm/mach-omap2/cm.h

37 lines
1.2 KiB
C

/*
* OMAP2+ Clock Management prototypes
*
* Copyright (C) 2007-2009 Texas Instruments, Inc.
* Copyright (C) 2007-2009 Nokia Corporation
*
* Written by Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ARCH_ASM_MACH_OMAP2_CM_H
#define __ARCH_ASM_MACH_OMAP2_CM_H
/*
* MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
* PRCM to request that a module exit the inactive state in the case of
* OMAP2 & 3.
* In the case of OMAP4 this is the max duration in microseconds for the
* module to reach the functionnal state from an inactive state.
*/
#define MAX_MODULE_READY_TIME 2000
/*
* MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
* the PRCM to request that a module enter the inactive state in the
* case of OMAP2 & 3. In the case of OMAP4 this is the max duration
* in microseconds for the module to reach the inactive state from
* a functional state.
* XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
* kernel init.
*/
#define MAX_MODULE_DISABLE_TIME 5000
#endif